If you want not to use Fedora's grub for multibooting, you can install Fedora's grub to its root partition and add Fedora's information to Mint's /boot/grub/grub.cfg file.

Fedora makes a grub folder and grub2 folder, so you have to rename them before adding the information. Mount Fedora's boot partition via Mint using caja and open terminal and go to the Fedora's boot folder. An example:

Thanks for this tip, oobetimer. I think this will apply here even though Mint 13 is not my booting distro.

Currently I have Mepis 11's grub-legacy doing the booting. Both Fedora 16 and Fedora 17 have grub and grub2 directories, so I edited Mepis 11's menu.lst accordingly. I will be switching to either Mepis 12 or Debian Wheezy as my booting distro, with grub2, and I didn't realize I would need to take Fedora's set-up into account. I thought grub2 would simply find those directories upon installation. Thanks again!